Respuesta :

Supernova

4n + 12 + 7n

To simplify this expression, combine like terms.

The like terms are 4n and 7n, so add them together.

11n + 12 is your answer.

BangtanBoys55
4n + 12 + 7n......
==> 11n + 12 is your answer

I hope this helps ≧ω≦
Sorry if wrong ^ω^